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Home >> Jeep >> 2023 >> Wagoneer L Base, 4WD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake System Control Module (BSCM) - DTCS C2103-00 To U0212-00 >> DTC Troubleshooting >> P0121-00-Throttle Position Sensor 1 Performance >> Possible Causes

Possible Causes

Possible Causes
REDUCED PERFORMANCE "LIMP" MODE
POWERTRAIN CONTROL MODULE (PCM) DTCS
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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